The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1987
Filed:
Dec. 20, 1984
Nobuyuki Otsuka, Saitama, JP;
Atsuo Kasuya, Saitama, JP;
Yusho Nakayama, Saitama, JP;
Masayuki Kumashiro, Saitama, JP;
Tamio Furuya, Saitama, JP;
Shigeo Kaiho, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of pressing a blank comprises the steps of pressing the blank between a die assembly having a cavity with a highly viscous substance contained therein and a punch, inserting the punch into the cavity to increase a pressure of the highly viscous substance in the cavity, and pressing the blank against a surface of the punch under the pressure of the highly viscous substance. The pressing method can form pressed product of complex shape highly accurately and free from cracks, wrinkles, or other damages. There is also disclosed a punch and die press suitable for effecting the abovesaid pressing method.